import 'package:flutter/material.dart';

class SwitchAndCheckBoxTestRoute extends StatefulWidget {
  @override
  _SwitchAndCheckBoxTestRouteState createState() =>
      new _SwitchAndCheckBoxTestRouteState();
}

class _SwitchAndCheckBoxTestRouteState
    extends State<SwitchAndCheckBoxTestRoute> {
  bool _switchSelected = true; //维护单选开关状态
  bool _checkboxSelected = true; //维护复选框状态
  @override
  Widget build(BuildContext context) {
    return new Scaffold(
      appBar: new AppBar(
        title: new Text('单选框与复选框'),
      ),
      body: new Center(
        child: new Column(
          children: <Widget>[
            Switch(
              value: _switchSelected, //当前状态
              onChanged: (value) {
                //重新构建页面
                setState(() {
                  _switchSelected = value;
                });
              },
            ),
            Checkbox(
              value: _checkboxSelected,
              activeColor: Colors.blue, //选中时的颜色
              onChanged: (value) {
                setState(() {
                  _checkboxSelected = value;
                });
              },
            )
          ],
        ),
      ),
    );
  }
}
